Shop-lifters can be divided into three main categories: the professionals, the deliberate amateurs, and the people who just can't help themselves.

商店扒手可分为三大类：专业人士、有意为之的外行和无法控制自己的人。

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They were based at a girls' school, where — it is alleged — the combined forces of three schoolmistresses outperformed the professionals with the accuracy of their observations.

他们以一所女子学校为据点，据称，那里三名女教师的合力观察准确性超过了专业人士。

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The professionals tend to go for high-value goods in parts of the shops where security measures are tightest.

专业人士倾向于在商店安全措施最严密的地方购买高价商品。

youdao

Some of the professionals who examine evidence gathered during criminal investigations are called forensic scientists.

VOA: special.2010.05.05

The trading commissions will eat up all of your profits and professionals know that, so it's bad behavior.

交易佣金会吃掉你所有的利润,内行人知道这点,这是不道德的行为

耶鲁公开课 - 金融市场课程节选

people that are going to be industry professionals and that's what takes you along the way.

还有那些会成为业内专业人士的人，这些都会把你带上演艺道路。

演技要磨练出来 - SpeakingMax英语口语达人

Laura Higgins, of the Professionals Online Safety Help-line, says parents are often to blame.

BBC: Cyberbullying may force out young teachers, says union

Unlike his father, Kumar isn't involved in operational details, leaving that to the professionals.

FORBES: Magazine Article

Zombie hunting, Perry argues, should be left to the professionals: commercial anti-virus scanning programs.

FORBES: Zombie Storm Rising